352 lines
18 KiB
TypeScript
352 lines
18 KiB
TypeScript
import DOMPurify from "dompurify";
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import { marked } from "marked";
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import "./style.css";
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import {
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type Actor,
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type ConversationItem,
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type Envelope,
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type JsonObject,
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} from "./protocol";
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import { ConversationStore } from "./runtime/conversation-store";
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import { InteractionKernel } from "./runtime/interaction-kernel";
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import { RendererRegistry } from "./runtime/renderer-registry";
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type Session = {
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api: string;
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uid: string;
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agentUID: string;
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channelID: string;
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channelType: number;
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lastSeq: number;
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active: boolean;
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};
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type LoginResponse = {
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uid: string;
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agent_uid?: string;
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channel_id?: string;
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channel_type?: number;
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};
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type SyncedMessage = { message_seq: number; from_uid: string; payload: string };
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const DEFAULT_API = "http://127.0.0.1:8090";
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let session: Session = { api: localStorage.getItem("lineup.api") || DEFAULT_API, uid: "", agentUID: "agent_hermes_main", channelID: "agent_default_channel", channelType: 2, lastSeq: 0, active: false };
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let polling = false;
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let thinking: HTMLElement | undefined;
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const interactionKernel = new InteractionKernel();
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const conversationStore = new ConversationStore(localStorage);
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const app = document.querySelector<HTMLDivElement>("#app");
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if (!app) throw new Error("LineUp host root is missing");
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app.innerHTML = `
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<main class="shell">
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<section id="login-view" class="login-view">
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<div class="brand"><span>✦</span><div><p>LINEUP</p><h1>你的 AI 协作空间</h1></div></div>
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<form id="login-form" class="login-card" novalidate>
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<label>AppServer 地址<input id="api" inputmode="url" placeholder="http://100.x.y.z:8090" required /></label>
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<label>手机号<input id="phone" inputmode="tel" autocomplete="tel" placeholder="请输入手机号" required /></label>
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<label>验证码<input id="code" inputmode="numeric" autocomplete="one-time-code" placeholder="请输入验证码" required /></label>
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<p id="login-error" class="error" role="alert"></p>
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<button id="login-submit" type="submit">进入 LineUp</button>
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</form>
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</section>
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<section id="chat-view" class="chat-view" hidden>
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<header class="chat-header"><div class="agent"><span class="avatar">✦</span><div><strong>AI Agent</strong><small id="presence">正在连接…</small></div></div><button id="logout" class="quiet">退出</button></header>
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<section id="messages" class="messages" aria-live="polite"></section>
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<form id="message-form" class="composer"><textarea id="message-input" rows="1" placeholder="问问你的 AI 搭档…"></textarea><button id="send" type="submit">发送</button></form>
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</section>
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</main>`;
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const $ = <T extends Element>(selector: string): T => {
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const found = document.querySelector<T>(selector);
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if (!found) throw new Error(`Missing element: ${selector}`);
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return found;
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};
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const messages = $<HTMLElement>("#messages");
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const loginView = $<HTMLElement>("#login-view");
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const chatView = $<HTMLElement>("#chat-view");
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const presence = $<HTMLElement>("#presence");
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$<HTMLInputElement>("#api").value = session.api;
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function api(path: string): string { return `${session.api.replace(/\/$/, "")}${path}`; }
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function scrollLatest(): void { messages.scrollTop = messages.scrollHeight; }
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function setPresence(value: string): void { presence.textContent = value; }
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function addSystem(message: string): void { const item = document.createElement("p"); item.className = "system"; item.textContent = message; messages.append(item); scrollLatest(); }
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function newLocalID(prefix: string): string {
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// `crypto.randomUUID` is absent from older Safari / WKWebView versions.
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// A local item id needs uniqueness within this browser store, not a
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// transport identity, so the timestamp-and-random fallback is sufficient
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// and must not prevent the form submit handler from reaching HTTP.
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const uuid = globalThis.crypto?.randomUUID?.();
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return `${prefix}_${uuid ?? `${Date.now().toString(36)}_${Math.random().toString(36).slice(2)}`}`;
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}
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function storageFailureMessage(reason: unknown): string {
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const detail = reason instanceof Error && reason.message ? `（${reason.message}）` : "";
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return `本地对话历史暂时无法保存${detail}；消息仍会尝试发送，刷新后将从服务端重新同步。`;
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}
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function normalizeAPIAddress(value: string): string {
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const candidate = value.trim();
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if (!candidate) throw new Error("请输入 AppServer 地址。");
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const withProtocol = /^https?:\/\//i.test(candidate) ? candidate : `http://${candidate}`;
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let parsed: URL;
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try { parsed = new URL(withProtocol); } catch { throw new Error("AppServer 地址格式不正确，例如 http://100.121.118.116:8090。"); }
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if (parsed.protocol !== "http:" && parsed.protocol !== "https:") throw new Error("AppServer 地址仅支持 http:// 或 https://。");
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if (!parsed.hostname) throw new Error("AppServer 地址缺少主机名或 IP 地址。");
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return parsed.toString().replace(/\/$/, "");
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}
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function loginFailureMessage(reason: unknown): string {
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if (reason instanceof Error && reason.message === "LINEUP_LOGIN_TIMEOUT") return "连接 AppServer 超时（10 秒）。请确认 Tailscale 已连接，并核对上方显示的服务地址。";
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if (reason instanceof DOMException && reason.name === "AbortError") return "连接 AppServer 超时（10 秒）。请确认 Tailscale 已连接，且服务地址和端口可访问。";
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const message = reason instanceof Error ? reason.message : "";
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if (message === "Load failed" || message === "Failed to fetch") return "无法连接 AppServer。请确认 Tailscale 已连接，并检查地址是否为 http://100.121.118.116:8090。";
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return message || "登录失败，请稍后重试。";
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}
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async function fetchLogin(endpoint: string, phone: string, code: string): Promise<Response> {
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const controller = new AbortController();
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let timeoutID = 0;
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const timeout = new Promise<never>((_, reject) => {
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timeoutID = window.setTimeout(() => {
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controller.abort();
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reject(new Error("LINEUP_LOGIN_TIMEOUT"));
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}, 10_000);
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});
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try {
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return await Promise.race([
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fetch(`${endpoint}/login`, { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ phone, code }), signal: controller.signal }),
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timeout,
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]);
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} finally {
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window.clearTimeout(timeoutID);
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}
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}
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function appendBubble(role: "human" | "agent", content: string, markdown = false, delivery = ""): HTMLElement {
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const row = document.createElement("article"); row.className = `message-row ${role}`;
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if (role === "agent") { const avatar = document.createElement("span"); avatar.className = "message-avatar"; avatar.textContent = "✦"; row.append(avatar); }
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const bubble = document.createElement("div"); bubble.className = "bubble";
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if (markdown) {
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bubble.classList.add("markdown");
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bubble.innerHTML = DOMPurify.sanitize(marked.parse(content, { gfm: true, breaks: true }) as string, { FORBID_TAGS: ["style", "form", "input", "button"] });
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bubble.querySelectorAll("a").forEach(link => { link.target = "_blank"; link.rel = "noopener noreferrer"; });
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} else bubble.textContent = content;
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const meta = document.createElement("small"); meta.className = "meta"; meta.textContent = `${new Date().toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" })}${delivery ? ` · ${delivery}` : ""}`;
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bubble.append(meta); row.append(bubble); messages.append(row); scrollLatest(); return row;
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}
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function showThinking(detail = "正在思考…"): void {
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thinking?.remove();
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thinking = appendBubble("agent", detail);
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thinking.classList.add("thinking");
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setPresence("正在思考");
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}
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function hideThinking(): void { thinking?.remove(); thinking = undefined; }
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function render(item: ConversationItem): void {
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switch (item.kind) {
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case "user-message": {
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const delivery = item.delivery.status === "local_pending" ? "发送中" : item.delivery.status === "failed" ? "发送失败" : "已发送";
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appendBubble("human", item.text, false, delivery);
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break;
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}
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case "markdown": hideThinking(); appendBubble("agent", item.markdown, true); break;
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case "agent-status": item.status === "thinking" ? showThinking(item.detail || "正在思考…") : (hideThinking(), setPresence(item.detail || item.status || "在线")); break;
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case "progress": { const percent = Math.max(0, Math.min(100, item.percent)); addSystem(`${item.title || "Agent 任务"}：${percent}%${item.status ? ` · ${item.status}` : ""}`); break; }
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case "error": hideThinking(); addSystem(`Agent 错误：${item.message}`); break;
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case "surface": addSystem(`收到扩展界面请求（${item.envelope.type}）；Mini Runtime Surface Host 将在下一步接入。`); break;
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case "app-call": addSystem("收到 App 能力调用请求；Capability 授权 UI 将在下一步接入。"); break;
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case "fallback": addSystem(item.reason === "unsupported_type" ? `暂不支持的 Agent 内容：${item.envelope?.type ?? "unknown"}` : "收到无法安全展示的消息。"); break;
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}
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}
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// M0-03 establishes the dispatch boundary. M0-06 will move these individual
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// DOM renderers out of App Shell; until then the registry keeps the same UI
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// behavior while ensuring all incoming content traverses the Kernel first.
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const rendererRegistry = new RendererRegistry<void>();
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rendererRegistry.register("user-message", render);
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rendererRegistry.register("markdown", render);
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rendererRegistry.register("agent-status", render);
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rendererRegistry.register("progress", render);
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rendererRegistry.register("error", render);
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rendererRegistry.register("surface", render);
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rendererRegistry.register("app-call", render);
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rendererRegistry.register("fallback", render);
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function renderIncoming(item: ConversationItem): void {
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if (!rendererRegistry.render(item, undefined)) addSystem("收到当前客户端没有可信 Renderer 的内容。");
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}
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function currentConversationKey(): string {
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return `${session.uid}:${session.channelType}:${session.channelID}`;
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}
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function decodeBase64(value: string): string {
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try { return decodeURIComponent([...atob(value)].map(c => `%${c.charCodeAt(0).toString(16).padStart(2, "0")}`).join("")); } catch { return value; }
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}
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async function sendPayload(payload: string): Promise<number | undefined> {
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const response = await fetch(api("/messages/send"), { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ from_uid: session.uid, channel_id: session.channelID, channel_type: session.channelType, payload }) });
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const body = await response.json().catch(() => ({})) as { error?: string; message_seq?: number };
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if (!response.ok) throw new Error(body.error || "消息发送失败");
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return body.message_seq;
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}
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async function syncLoop(): Promise<void> {
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if (polling) return;
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polling = true;
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while (session.active) {
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try {
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// WuKongIM's legacy sync endpoint can return a single retained message
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// per request even when `more` is 0. Drain until it is empty before
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// switching to the paced live-polling loop; otherwise a reopened chat
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// with history needs minutes to reach the latest Agent response.
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while (session.active) {
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const startMessageSeq = session.lastSeq === 0 ? 0 : session.lastSeq + 1;
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const response = await fetch(api("/messages/sync"), { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ channel_id: session.channelID, channel_type: session.channelType, login_uid: session.uid, start_message_seq: startMessageSeq, limit: 50 }) });
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const body = await response.json().catch(() => ({})) as { error?: string; messages?: SyncedMessage[] };
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if (!response.ok) throw new Error(body.error || "同步失败");
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const synced = body.messages ?? [];
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if (synced.length === 0) {
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setPresence("已同步，等待消息");
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break;
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}
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let advanced = false;
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for (const message of synced) {
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const previousSeq = session.lastSeq;
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session.lastSeq = Math.max(session.lastSeq, message.message_seq);
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advanced ||= session.lastSeq > previousSeq;
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conversationStore.advanceCursor(message.message_seq);
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const payload = decodeBase64(message.payload);
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if (message.from_uid === session.uid) {
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const restored = conversationStore.recordSyncedUserText(message.message_seq, payload, new Date().toISOString());
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if (restored) renderIncoming(restored.item);
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} else {
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const result = interactionKernel.ingest({
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raw: payload,
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source: "sync",
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transport_id: String(message.message_seq),
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});
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for (const item of result.items) {
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if (conversationStore.recordIncoming(item, message.message_seq, new Date().toISOString())) renderIncoming(item);
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}
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}
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}
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// Avoid a hot loop if an upstream response repeats a sequence that
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// cannot advance the local cursor.
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if (!advanced) {
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setPresence("已同步，等待消息");
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break;
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}
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}
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} catch {
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if (session.active) setPresence("同步中断，正在重试…");
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}
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await new Promise(resolve => window.setTimeout(resolve, 1500));
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}
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polling = false;
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}
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$<HTMLFormElement>("#login-form").addEventListener("submit", async event => {
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event.preventDefault();
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const apiInput = $<HTMLInputElement>("#api");
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const phone = $<HTMLInputElement>("#phone").value.trim();
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const code = $<HTMLInputElement>("#code").value.trim();
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const error = $<HTMLElement>("#login-error");
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const submit = $<HTMLButtonElement>("#login-submit");
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let endpoint: string;
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try { endpoint = normalizeAPIAddress(apiInput.value); }
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catch (reason) { error.textContent = loginFailureMessage(reason); apiInput.focus(); return; }
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if (!phone) { error.textContent = "请输入手机号。"; $<HTMLInputElement>("#phone").focus(); return; }
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if (!code) { error.textContent = "请输入验证码。"; $<HTMLInputElement>("#code").focus(); return; }
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session.api = endpoint;
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localStorage.setItem("lineup.api", session.api);
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error.textContent = `正在连接 ${session.api}…`;
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submit.disabled = true;
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submit.textContent = "正在进入…";
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try {
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const response = await fetchLogin(session.api, phone, code);
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const body = await response.json().catch(() => ({})) as LoginResponse & { error?: string };
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if (!response.ok) throw new Error(body.error || "登录失败");
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interactionKernel.reset();
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session = { ...session, uid: body.uid, agentUID: body.agent_uid || session.agentUID, channelID: body.channel_id || session.channelID, channelType: body.channel_type || session.channelType, lastSeq: 0, active: true };
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const snapshot = conversationStore.open(currentConversationKey());
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session.lastSeq = snapshot.cursor;
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messages.replaceChildren();
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loginView.hidden = true; chatView.hidden = false;
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for (const stored of snapshot.items) renderIncoming(stored.item);
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addSystem("已进入与 AI Agent 的对话"); setPresence("正在同步消息…"); void syncLoop();
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} catch (reason) { error.textContent = loginFailureMessage(reason); }
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finally { submit.disabled = false; submit.textContent = "进入 LineUp"; }
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});
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$<HTMLFormElement>("#message-form").addEventListener("submit", async event => {
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event.preventDefault();
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const input = $<HTMLTextAreaElement>("#message-input"); const send = $<HTMLButtonElement>("#send"); const text = input.value.trim();
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if (!text) return;
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if (!session.uid) {
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addSystem("当前会话尚未初始化，无法发送消息；请退出后重新登录。");
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input.focus();
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return;
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}
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input.value = ""; send.disabled = true;
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const localID = newLocalID("local");
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const createdAt = new Date().toISOString();
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// A browser storage failure must never prevent the user from seeing or
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// submitting their message. The Store remains the durable source when it
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// is available; the server sync is the recovery path when it is not.
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const row = appendBubble("human", text, false, "发送中");
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const meta = row.querySelector<HTMLElement>(".meta");
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let storedLocally = true;
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try { conversationStore.appendLocalText(localID, text, createdAt); }
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catch (reason) { storedLocally = false; addSystem(storageFailureMessage(reason)); }
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try {
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const sequence = await sendPayload(text);
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if (sequence && storedLocally) {
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try { conversationStore.markSubmitted(localID, sequence, new Date().toISOString()); }
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catch (reason) { storedLocally = false; addSystem(storageFailureMessage(reason)); }
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}
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if (meta) meta.textContent = `${meta.textContent?.replace(" · 发送中", "") ?? ""} · 已发送`;
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}
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catch (reason) {
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const message = reason instanceof Error ? reason.message : "发送失败";
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if (storedLocally) {
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try { conversationStore.markFailed(localID, message, new Date().toISOString()); }
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catch (storageReason) { addSystem(storageFailureMessage(storageReason)); }
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}
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if (meta) meta.textContent = `${meta.textContent?.replace(" · 发送中", "") ?? ""} · 发送失败`;
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addSystem(message);
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}
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finally { send.disabled = false; input.focus(); }
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});
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$<HTMLButtonElement>("#logout").addEventListener("click", () => { session.active = false; interactionKernel.reset(); conversationStore.close(); messages.replaceChildren(); chatView.hidden = true; loginView.hidden = false; });
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export function makeProtocolEvent(
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type: string,
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payload: JsonObject,
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conversationID: string,
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sender: Actor,
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target?: Actor,
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): Envelope {
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return {
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v: 1,
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id: newLocalID("msg"),
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type,
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conversation_id: conversationID,
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sender,
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...(target ? { target } : {}),
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timestamp: new Date().toISOString(),
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payload,
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};
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}
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